azure_storage_blobs 0.21.0

Azure Blob Storage crate from the Azure SDK for Rust
Documentation 
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#![cfg(all(test, feature = "test_e2e"))]

use azure_core::prelude::*;
use azure_storage::prelude::*;
use azure_storage_blobs::{container::PublicAccess, prelude::*};
use bytes::Bytes;
use futures::StreamExt;
use tracing::trace;

#[tokio::test]
async fn put_append_blob() {
    let account =
        std::env::var("STORAGE_ACCOUNT").expect("Set env variable STORAGE_ACCOUNT first!");
    let access_key =
        std::env::var("STORAGE_ACCESS_KEY").expect("Set env variable STORAGE_ACCESS_KEY first!");

    let blob_name: &'static str = "append_blob.txt";
    let container_name: &'static str = "rust-upload-test";
    let _data = b"abcdef";

    let storage_credentials = StorageCredentials::access_key(account.clone(), access_key);
    let blob_service = BlobServiceClient::new(account, storage_credentials);
    let container = blob_service.container_client(container_name);
    let blob = container.blob_client(blob_name);

    if !blob_service
        .list_containers()
        .into_stream()
        .next()
        .await
        .unwrap()
        .unwrap()
        .containers
        .iter()
        .any(|x| x.name == container_name)
    {
        container
            .create()
            .public_access(PublicAccess::None)
            .await
            .unwrap();
    }

    let mut metadata = Metadata::new();
    metadata.insert("attrib", "value");
    metadata.insert("second", "something");

    blob.put_append_blob()
        .content_type("text/plain")
        .metadata(metadata)
        .await
        .unwrap();

    trace!("created {:?}", blob_name);

    let resp = blob.get_metadata().await.unwrap();

    assert_eq!(resp.metadata.len(), 2);

    assert_eq!(resp.metadata.get("attrib"), Some(Bytes::from("value")));
    assert_eq!(resp.metadata.get("second"), Some(Bytes::from("something")));
    assert_eq!(resp.metadata.get("not_found"), None);
}

#[tokio::test]
async fn put_append_blob_if_match() {
    let account =
        std::env::var("STORAGE_ACCOUNT").expect("Set env variable STORAGE_ACCOUNT first!");
    let access_key =
        std::env::var("STORAGE_ACCESS_KEY").expect("Set env variable STORAGE_ACCESS_KEY first!");

    let blob_name: &'static str = "create_once.txt";
    let container_name: &'static str = "rust-if-match";

    let storage_credentials = StorageCredentials::access_key(account.clone(), access_key);
    let blob_service = BlobServiceClient::new(account, storage_credentials);
    let container = blob_service.container_client(container_name);
    let blob = container.blob_client(blob_name);

    if !blob_service
        .list_containers()
        .into_stream()
        .next()
        .await
        .unwrap()
        .unwrap()
        .containers
        .iter()
        .any(|x| x.name == container_name)
    {
        container
            .create()
            .public_access(PublicAccess::None)
            .await
            .unwrap();
    }

    let _ = blob.delete().await;

    blob.put_append_blob()
        .content_type("text/plain")
        .if_match(IfMatchCondition::NotMatch("*".into()))
        .await
        .unwrap();

    trace!("created {:?}", blob_name);

    let result = blob
        .put_append_blob()
        .content_type("text/plain")
        .if_match(IfMatchCondition::NotMatch("*".into()))
        .await
        .unwrap_err();

    assert_eq!(
        result.kind(),
        &azure_core::error::ErrorKind::HttpResponse {
            status: azure_core::StatusCode::Conflict,
            error_code: Some("BlobAlreadyExists".into())
        }
    );
}